While the invention of the present application has been described with reference to the example embodiments, the invention of the present application is not limited by the above description. Various changes that may be understood by a person skilled in the art can be made to a configuration and details of the invention of the present application within the scope of the invention.

Some or all of the above-described example embodiments may be also described as, but are not limited to, the following supplementary notes.

(Supplementary Note 1)

A control device including:

• • a communication unit configured to receive, via a service control device which authenticates an application server providing a service to a communication terminal, information relating to a transmittable data amount determined in the application server; and
  • a control unit configured to execute, by using the information relating to the transmittable data amount, traffic control on data transmitted from the communication terminal.

(Supplementary Note 2)

The control device according to Supplementary note 1, wherein the information relating to the transmittable data amount includes at least one of a quota, rate control, and a charging policy.

(Supplementary Note 3)

The control device according to Supplementary note 1 or 2, wherein the control unit refuses transmission of data exceeding a data amount predetermined in the information relating to the transmittable data amount.

(Supplementary Note 4)